Multiply Using the Rule for Finding the Product of the Sum

question 106

Multiple Choice

Multiply using the rule for finding the product of the sum and difference of two terms.
- $$( 7 + r ) ( 7 - r )$$

• A) \(49 - 14 r - r ^ { 2 }\)
• B) \(14 - r ^ { 2 }\)
• C) \(49 + 14 r - r ^ { 2 }\)
• D) \(49 - r ^ { 2 }\)

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Definitions:

Kidney Damage

Harm or impairment of kidney function, which can result from various causes including disease, infection, or physical injury.

Aldosterone

A hormone produced by the adrenal gland that helps regulate blood pressure by controlling sodium and potassium levels in the blood.

High Blood Pressure

A condition where the force of the blood against the walls of blood vessels is consistently too high, leading to health risks.

Sodium

A chemical element with symbol Na and atomic number 11, essential for human health, primarily found in the extracellular fluid.